Standard Light Bulb Base Type

Medium standard base code.

Standard light bulb base type.

Bulbs with these base types are available in many different styles. Pin type bases are normally used for track lighting landscape bulbs. This is an epic light bulb buying guide that you need when putting in light fixtures or you need to buy a bulb. Bulbs with these bases are the most popular of all screw base bulbs.

They are commonly used for general lighting in standard light fixtures such as ceiling lights lamps can lights outdoor spotlight and flood light fixtures and vanity lights. Look at your fixture to determine its base type. Screw in bulbs use a base called an edison screw or es base. Most common light bulb uses including lamps recessed flush mount flood lights are going to have one of the first three base types shown above.

3 illustrated charts showcase the 56 different types of light bulbs based on shape base and size. Common bulbs with e26. The a series light bulb is the classic glass light bulb shape that has been the most commonly used type for general lighting service gls applications since the early 20th century. Look at your fixture to determine its base type.

Find the light bulb base type you re looking for with this visual chart detailed illustrations of general bases fluorescent bases and specialty halogen base types. The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth.